CVE-2024-23898: Cross-site WebSocket hijacking vulnerability in the Jenkins CLI

January 24, 2024 (updated January 26, 2024)

Jenkins 2.217 through 2.441 (both inclusive), LTS 2.222.1 through 2.426.2 (both inclusive) does not perform origin validation of requests made through the CLI WebSocket endpoint, resulting in a cross-site WebSocket hijacking (CSWSH) vulnerability, allowing attackers to execute CLI commands on the Jenkins controller.

References

www.openwall.com/lists/oss-security/2024/01/24/6
github.com/advisories/GHSA-53ph-2r2x-vqw8
nvd.nist.gov/vuln/detail/CVE-2024-23898
www.jenkins.io/security/advisory/2024-01-24/

Code Behaviors & Features

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